#15424D
Closest named color: Dark Blue Grey (#1F3B4D). oklch(35.4% 0.052 217), rgb(21, 66, 77).
Aa
White text reads best on this color (10.94:1).
About this color
#15424D is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.052 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.024 away. White text reads best on it, at 10.94:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #15424D |
| RGB | rgb(21, 66, 77) |
| HSL | hsl(192, 57%, 19%) |
| OKLCH | oklch(35.4% 0.052 217) |
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 #15424D | 10.94:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #15424D | 1.91:1 | Fails | Lc 8.8 | Not readable |
| #15424D text on white | 10.94:1 | AAA | Lc 95.1 | Preferred for body text |
| #15424D text on black | 1.91:1 | Fails | Lc -7.5 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C7D1
oklch(80.8% 0.039 217.5)
-
Step 400
400
#73ABBA
oklch(70.8% 0.062 216.4)
-
Step 500
500
#4B95A9
oklch(63% 0.079 217.8)
-
Step 600
600
#287F94
oklch(55.5% 0.086 217.4)
-
Step 700
700
#196C7E
oklch(49.2% 0.08 216.2)
-
Step 800
800
#195867
oklch(42.8% 0.066 217.1)
-
Step 900
900 (this color)
#15424D
oklch(35.4% 0.052 217)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#15424D 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) | #3B404E | 0.046 |
| Deuteranopia (no green cones) | #333A4D | 0.041 |
| Tritanopia (no blue cones) | #004645 | 0.025 |
| Achromatopsia (no color) | #3C3C3C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15424D
#15424D
oklch(35.4% 0.052 217)
- #533228
#533228
oklch(35.5% 0.051 37.6)
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 #15424D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.024
- Charcoal #264653 ΔE 0.024
- Midnight Green #073B4C ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.035
- Dark Teal #014D4E ΔE 0.037
- Onyx #343A40 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.051
Use #15424D 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.