#15495B
Closest named color: Charcoal (#264653). oklch(38% 0.061 225.2), rgb(21, 73, 91).
Aa
White text reads best on this color (9.83:1).
About this color
#15495B is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.061 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.018 away. White text reads best on it, at 9.83:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #15495B |
| RGB | rgb(21, 73, 91) |
| HSL | hsl(195, 63%, 22%) |
| OKLCH | oklch(38% 0.061 225.2) |
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 #15495B | 9.83:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #15495B | 2.13:1 | Fails | Lc 11.4 | Not readable |
| #15495B text on white | 9.83:1 | AAA | Lc 92.5 | Preferred for body text |
| #15495B text on black | 2.13:1 | Fails | Lc -9.9 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C7D7
oklch(80.8% 0.045 226)
-
Step 400
400
#6CABC3
oklch(70.8% 0.074 224.2)
-
Step 500
500
#3F95B4
oklch(63% 0.094 225.1)
-
Step 600
600
#0F7FA0
oklch(55.6% 0.102 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#06576F
oklch(42.6% 0.079 225.3)
-
Step 900
900 (this color)
#15495B
oklch(38% 0.061 225.2)
-
Step 950
950
#0E2A35
oklch(26.9% 0.039 226.8)
#15495B 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) | #3F475C | 0.047 |
| Deuteranopia (no green cones) | #36405B | 0.043 |
| Tritanopia (no blue cones) | #004E4F | 0.032 |
| Achromatopsia (no color) | #434343 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15495B
#15495B
oklch(38% 0.061 225.2)
- #5D3726
#5D3726
oklch(37.9% 0.061 44.6)
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 #15495B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.018
- Dark Grey Blue #29465B ΔE 0.019
- Dark Teal #014D4E ΔE 0.032
- Deep Teal #00555A ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.046
- Dark Blue Green #005249 ΔE 0.051
- Midnight Green #073B4C ΔE 0.051
Use #15495B 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.