#124688
Closest named color: Cobalt (#1E488F). oklch(40% 0.123 256.7), rgb(18, 70, 136).
Aa
White text reads best on this color (9.30:1).
About this color
#124688 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.123 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.016 away. White text reads best on it, at 9.30:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #124688 |
| RGB | rgb(18, 70, 136) |
| HSL | hsl(214, 77%, 30%) |
| OKLCH | oklch(40% 0.123 256.7) |
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 #124688 | 9.30:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #124688 | 2.25:1 | Fails | Lc 13.0 | Not readable |
| #124688 text on white | 9.30:1 | AAA | Lc 91.0 | Preferred for body text |
| #124688 text on black | 2.25:1 | Fails | Lc -11.3 | Not readable |
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 900.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C4DBFB
oklch(88.5% 0.051 256.7)
-
Step 300
300
#9AC3FC
oklch(80.9% 0.092 256.7)
-
Step 400
400
#61A2FB
oklch(70.8% 0.147 256.7)
-
Step 500
500
#2F87F8
oklch(63.1% 0.188 256.7)
-
Step 600
600
#006EE2
oklch(55.6% 0.196 256.8)
-
Step 700
700
#005CBF
oklch(49% 0.172 256.8)
-
Step 800
800
#004B9E
oklch(42.6% 0.15 256.7)
-
Step 900
900 (this color)
#124688
oklch(40% 0.123 256.7)
-
Step 950
950
#09264B
oklch(27.1% 0.077 256.3)
#124688 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) | #214D8A | 0.025 |
| Deuteranopia (no green cones) | #004287 | 0.016 |
| Tritanopia (no blue cones) | #005660 | 0.093 |
| Achromatopsia (no color) | #474747 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124688
#124688
oklch(40% 0.123 256.7)
- #614100
#614100
oklch(40.2% 0.084 77.1)
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 #124688, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.016
- Twilight Blue #0A437A ΔE 0.025
- Light Navy #155084 ΔE 0.032
- Dusk Blue #26538D ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.044
- Blueberry #464196 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.064
- Marine Blue #01386A ΔE 0.065
Use #124688 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.