#124279
Closest named color: Twilight Blue (#0A437A). oklch(38% 0.106 254.8), rgb(18, 66, 121).
Aa
White text reads best on this color (10.09:1).
About this color
#124279 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.106 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.005 away. White text reads best on it, at 10.09:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.08:1 |
| White text | 10.09:1 |
Values
| HEX | #124279 |
| RGB | rgb(18, 66, 121) |
| HSL | hsl(212, 74%, 27%) |
| OKLCH | oklch(38% 0.106 254.8) |
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 #124279 | 10.09:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #124279 | 2.08:1 | Fails | Lc 10.9 | Not readable |
| #124279 text on white | 10.09:1 | AAA | Lc 93.0 | Preferred for body text |
| #124279 text on black | 2.08:1 | Fails | Lc -9.5 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C6DBF7
oklch(88.5% 0.045 255.6)
-
Step 300
300
#9EC4F4
oklch(81% 0.08 254.5)
-
Step 400
400
#67A3EE
oklch(70.6% 0.127 254.7)
-
Step 500
500
#3A8AE9
oklch(63.1% 0.163 254.8)
-
Step 600
600
#0A71D7
oklch(55.5% 0.177 254.8)
-
Step 700
700
#005FB8
oklch(49.1% 0.16 254.6)
-
Step 800
800
#044E97
oklch(42.8% 0.136 254.5)
-
Step 900
900 (this color)
#124279
oklch(38% 0.106 254.8)
-
Step 950
950
#0C2746
oklch(27.1% 0.066 254)
#124279 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) | #26477B | 0.025 |
| Deuteranopia (no green cones) | #113D78 | 0.015 |
| Tritanopia (no blue cones) | #004F57 | 0.080 |
| Achromatopsia (no color) | #424242 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124279
#124279
oklch(38% 0.106 254.8)
- #5B3B00
#5B3B00
oklch(38% 0.08 74.8)
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 #124279, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.005
- Marine Blue #01386A ΔE 0.041
- Cobalt #1E488F ΔE 0.042
- Light Navy #155084 ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.059
- Dusk Blue #26538D ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.065
Use #124279 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.