#024359
Closest named color: Charcoal (#264653). oklch(35.8% 0.069 228.4), rgb(2, 67, 89).
Aa
White text reads best on this color (10.77:1).
About this color
#024359 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.069 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.031 away. White text reads best on it, at 10.77:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.94:1 |
| White text | 10.77:1 |
Values
| HEX | #024359 |
| RGB | rgb(2, 67, 89) |
| HSL | hsl(195, 96%, 18%) |
| OKLCH | oklch(35.8% 0.069 228.4) |
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 #024359 | 10.77:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #024359 | 1.94:1 | Fails | Lc 9.4 | Not readable |
| #024359 text on white | 10.77:1 | AAA | Lc 94.5 | Preferred for body text |
| #024359 text on black | 1.94:1 | Fails | Lc -8.1 | 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
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE8
oklch(88.4% 0.029 228.1)
-
Step 300
300
#9EC8DB
oklch(80.9% 0.052 227.3)
-
Step 400
400
#66ABCA
oklch(70.7% 0.083 228.7)
-
Step 500
500
#3395BC
oklch(63% 0.106 228.8)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900 (this color)
#024359
oklch(35.8% 0.069 228.4)
-
Step 950
950
#0A2A37
oklch(26.9% 0.044 228.8)
#024359 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) | #37425A | 0.048 |
| Deuteranopia (no green cones) | #2D3A59 | 0.043 |
| Tritanopia (no blue cones) | #00494A | 0.038 |
| Achromatopsia (no color) | #3E3E3E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #024359
#024359
oklch(35.8% 0.069 228.4)
- #59301A
#59301A
oklch(35.7% 0.069 47.7)
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 #024359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.031
- Midnight Green #073B4C ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.031
- Dark Grey Blue #29465B ΔE 0.032
- Dark Teal #014D4E ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.046
- Marine Blue #01386A ΔE 0.051
- Onyx #343A40 ΔE 0.058
Use #024359 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.