#15546D
Closest named color: Deep Sea Blue (#015482). oklch(41.9% 0.074 229.5), rgb(21, 84, 109).
Aa
White text reads best on this color (8.33:1).
About this color
#15546D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 42%, its chroma 0.074 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.036 away. White text reads best on it, at 8.33:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #15546D |
| RGB | rgb(21, 84, 109) |
| HSL | hsl(197, 68%, 25%) |
| OKLCH | oklch(41.9% 0.074 229.5) |
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 #15546D | 8.33:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #15546D | 2.52:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #15546D text on white | 8.33:1 | AAA | Lc 88.4 | Fine for body text |
| #15546D text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADDE6
oklch(88.6% 0.024 227.8)
-
Step 300
300
#A5C7D7
oklch(81% 0.043 228)
-
Step 400
400
#73A9C3
oklch(70.7% 0.068 229.7)
-
Step 500
500
#4A93B4
oklch(63% 0.088 229.8)
-
Step 600
600
#277DA0
oklch(55.5% 0.096 229.7)
-
Step 700
700
#186A89
oklch(49.2% 0.089 229)
-
Step 800
800 (this color)
#15546D
oklch(41.9% 0.074 229.5)
-
Step 900
900
#1C475A
oklch(37.7% 0.057 230)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#15546D 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) | #47536E | 0.051 |
| Deuteranopia (no green cones) | #3B4A6D | 0.045 |
| Tritanopia (no blue cones) | #005B5C | 0.043 |
| Achromatopsia (no color) | #4E4E4E | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15546D
#15546D
oklch(41.9% 0.074 229.5)
- #6D4026
#6D4026
oklch(42% 0.074 49.7)
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 #15546D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.036
- Deep Teal #00555A ΔE 0.036
- Petrol #005F6A ΔE 0.037
- Light Navy #155084 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.050
- YInMn Blue #415A77 ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.052
Use #15546D 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.