#487BEF
Closest named color: Clear Blue (#247AFD). oklch(60.9% 0.183 263.9), rgb(72, 123, 239).
Aa
Black text reads best on this color (5.35:1).
About this color
#487BEF is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.183 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.032 away. Black text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #487BEF |
| RGB | rgb(72, 123, 239) |
| HSL | hsl(222, 84%, 61%) |
| OKLCH | oklch(60.9% 0.183 263.9) |
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 #487BEF | 3.92:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #487BEF | 5.35:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #487BEF text on white | 3.92:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #487BEF text on black | 5.35:1 | AA | Lc -35.4 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9DAFB
oklch(88.6% 0.049 263.7)
-
Step 300
300
#A3C1FB
oklch(81% 0.089 263.3)
-
Step 400
400
#729EFA
oklch(70.8% 0.144 263.8)
-
Step 500
500 (this color)
#487BEF
oklch(60.9% 0.183 263.9)
-
Step 600
600
#3468E6
oklch(55.6% 0.2 264)
-
Step 700
700
#2756C8
oklch(49.2% 0.185 263.9)
-
Step 800
800
#2147A1
oklch(42.7% 0.153 263.8)
-
Step 900
900
#1F3D80
oklch(37.8% 0.119 263.6)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#487BEF 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) | #3989F3 | 0.035 |
| Deuteranopia (no green cones) | #0079ED | 0.038 |
| Tritanopia (no blue cones) | #0096AA | 0.146 |
| Achromatopsia (no color) | #818181 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #487BEF
#487BEF
oklch(60.9% 0.183 263.9)
- #A67B00
#A67B00
oklch(60.9% 0.125 83.9)
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 #487BEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.032
- Cornflower #6A79F7 ΔE 0.040
- Soft Blue #6488EA ΔE 0.049
- Royal Blue #4169E1 ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.055
- Dodger Blue #1E90FF ΔE 0.056
- Neon Blue #4361EE ΔE 0.064
Use #487BEF 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.