#2987F8
Closest named color: Dodger Blue (#1E90FF). oklch(63% 0.189 255.9), rgb(41, 135, 248).
Aa
Black text reads best on this color (5.91:1).
About this color
#2987F8 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.189 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.024 away. Black text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.189) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 5.91:1 |
| White text | 3.55:1 |
Values
| HEX | #2987F8 |
| RGB | rgb(41, 135, 248) |
| HSL | hsl(213, 94%, 57%) |
| OKLCH | oklch(63% 0.189 255.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2987F8 | 3.55:1 | AA large text | Lc -68.0 | Content text, not long reading |
| Black text on #2987F8 | 5.91:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #2987F8 text on white | 3.55:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #2987F8 text on black | 5.91:1 | AA | Lc -39.2 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C3DBFB
oklch(88.4% 0.051 255.7)
-
Step 300
300
#99C3FC
oklch(80.8% 0.093 256.2)
-
Step 400
400
#5EA2FB
oklch(70.7% 0.148 255.8)
-
Step 500
500 (this color)
#2987F8
oklch(63% 0.189 255.9)
-
Step 600
600
#006FDE
oklch(55.5% 0.189 256)
-
Step 700
700
#005DBC
oklch(49% 0.167 256)
-
Step 800
800
#004C9C
oklch(42.7% 0.146 256)
-
Step 900
900
#054081
oklch(37.8% 0.123 255.8)
-
Step 950
950
#07264B
oklch(27% 0.077 255.4)
#2987F8 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4992FC | 0.039 |
| Deuteranopia (no green cones) | #097FF6 | 0.025 |
| Tritanopia (no blue cones) | #00A2B3 | 0.143 |
| Achromatopsia (no color) | #888888 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2987F8
#2987F8
oklch(63% 0.189 255.9)
- #B67C00
#B67C00
oklch(63% 0.132 76.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2987F8, closest first.
No curated palette has a color within ΔE 0.04 of #2987F8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.024
- Clear Blue #247AFD ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.049
- Soft Blue #6488EA ΔE 0.052
- Cornflower #6A79F7 ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.067
- Cerulean Blue #056EEE ΔE 0.068
Use #2987F8 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.