#2989D4
Closest named color: Water Blue (#0E87CC). oklch(61.2% 0.143 247.1), rgb(41, 137, 212).
Aa
Black text reads best on this color (5.62:1).
About this color
#2989D4 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.143 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.017 away. Black text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #2989D4 |
| RGB | rgb(41, 137, 212) |
| HSL | hsl(206, 68%, 50%) |
| OKLCH | oklch(61.2% 0.143 247.1) |
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 #2989D4 | 3.73:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #2989D4 | 5.62:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #2989D4 text on white | 3.73:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #2989D4 text on black | 5.62:1 | AA | Lc -37.2 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C5DCF2
oklch(88.4% 0.039 247.1)
-
Step 300
300
#9DC5EC
oklch(80.8% 0.07 248.1)
-
Step 400
400
#64A7E2
oklch(70.8% 0.111 246.7)
-
Step 500
500 (this color)
#2989D4
oklch(61.2% 0.143 247.1)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005289
oklch(42.7% 0.113 247.3)
-
Step 900
900
#094470
oklch(37.6% 0.094 247.4)
-
Step 950
950
#092841
oklch(26.9% 0.059 246.9)
#2989D4 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) | #668DD7 | 0.054 |
| Deuteranopia (no green cones) | #4D7DD3 | 0.038 |
| Tritanopia (no blue cones) | #009BA4 | 0.102 |
| Achromatopsia (no color) | #848484 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2989D4
#2989D4
oklch(61.2% 0.143 247.1)
- #B87100
#B87100
oklch(61.2% 0.135 67.4)
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 #2989D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.017
- Dark Sky Blue #448EE4 ΔE 0.034
- Cool Blue #4984B8 ΔE 0.045
- Steel Blue #4682B4 ΔE 0.050
- Windows Blue #3778BF ΔE 0.051
- Blue NCS #118AB2 ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.056
- Soft Blue #6488EA ΔE 0.062
Use #2989D4 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.