#124396
Closest named color: Cobalt (#1E488F). oklch(40.5% 0.146 260.5), rgb(18, 67, 150).
Aa
White text reads best on this color (9.25:1).
About this color
#124396 is a dark, vivid blue. In OKLCH its lightness is 40%, its chroma 0.146 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.021 away. White text reads best on it, at 9.25:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.26:1 |
| White text | 9.25:1 |
Values
| HEX | #124396 |
| RGB | rgb(18, 67, 150) |
| HSL | hsl(218, 79%, 33%) |
| OKLCH | oklch(40.5% 0.146 260.5) |
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 #124396 | 9.25:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #124396 | 2.26:1 | Fails | Lc 13.2 | Not readable |
| #124396 text on white | 9.25:1 | AAA | Lc 90.8 | Preferred for body text |
| #124396 text on black | 2.26:1 | Fails | Lc -11.6 | 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 800.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFB
oklch(93.7% 0.024 259.8)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A1C2F8
oklch(80.9% 0.085 260.1)
-
Step 400
400
#6EA0F5
oklch(70.7% 0.136 260.5)
-
Step 500
500
#4785F1
oklch(63% 0.175 260.6)
-
Step 600
600
#286CE0
oklch(55.6% 0.19 260.5)
-
Step 700
700
#1B59C2
oklch(49% 0.176 260.5)
-
Step 800
800 (this color)
#124396
oklch(40.5% 0.146 260.5)
-
Step 900
900
#1B3F7D
oklch(37.8% 0.113 260.5)
-
Step 950
950
#102549
oklch(26.9% 0.072 260.4)
#124396 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) | #004D99 | 0.027 |
| Deuteranopia (no green cones) | #004294 | 0.010 |
| Tritanopia (no blue cones) | #005866 | 0.112 |
| Achromatopsia (no color) | #474747 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124396
#124396
oklch(40.5% 0.146 260.5)
- #604300
#604300
oklch(40.5% 0.084 80.6)
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 #124396, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.021
- Sapphire #2138AB ΔE 0.044
- Twilight Blue #0A437A ΔE 0.048
- Light Navy #155084 ΔE 0.051
- Dusk Blue #26538D ΔE 0.054
- Blueberry #464196 ΔE 0.058
- Deep Sea Blue #015482 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.064
Use #124396 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.