#124359
Closest named color: Charcoal (#264653). oklch(36.2% 0.063 232), rgb(18, 67, 89).
Aa
White text reads best on this color (10.64:1).
About this color
#124359 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.063 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.024 away. White text reads best on it, at 10.64:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #124359 |
| RGB | rgb(18, 67, 89) |
| HSL | hsl(199, 66%, 21%) |
| OKLCH | oklch(36.2% 0.063 232) |
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 #124359 | 10.64:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #124359 | 1.97:1 | Fails | Lc 9.5 | Not readable |
| #124359 text on white | 10.64:1 | AAA | Lc 94.4 | Preferred for body text |
| #124359 text on black | 1.97:1 | Fails | Lc -8.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C7DA
oklch(81% 0.047 231.1)
-
Step 400
400
#6EA9C8
oklch(70.6% 0.076 232.3)
-
Step 500
500
#4394BA
oklch(63.2% 0.097 231.5)
-
Step 600
600
#1B7DA6
oklch(55.5% 0.105 232.1)
-
Step 700
700
#07698F
oklch(49% 0.099 232.8)
-
Step 800
800
#0F5674
oklch(42.7% 0.082 232.5)
-
Step 900
900 (this color)
#124359
oklch(36.2% 0.063 232)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#124359 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) | #38425A | 0.042 |
| Deuteranopia (no green cones) | #2E3B59 | 0.036 |
| Tritanopia (no blue cones) | #00494A | 0.039 |
| Achromatopsia (no color) | #3E3E3E | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #124359
#124359
oklch(36.2% 0.063 232)
- #58331C
#58331C
oklch(36.2% 0.064 51.4)
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 #124359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.024
- Dark Grey Blue #29465B ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.029
- Midnight Green #073B4C ΔE 0.033
- Dark Teal #014D4E ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.045
- Marine Blue #01386A ΔE 0.052
- Onyx #343A40 ΔE 0.053
Use #124359 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.