#03544B
Closest named color: Dark Blue Green (#005249). oklch(40.1% 0.071 182.4), rgb(3, 84, 75).
Aa
White text reads best on this color (8.84:1).
About this color
#03544B is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.007 away. White text reads best on it, at 8.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #03544B |
| RGB | rgb(3, 84, 75) |
| HSL | hsl(173, 93%, 17%) |
| OKLCH | oklch(40.1% 0.071 182.4) |
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 #03544B | 8.84:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #03544B | 2.37:1 | Fails | Lc 14.2 | Not readable |
| #03544B text on white | 8.84:1 | AAA | Lc 89.8 | Fine for body text |
| #03544B text on black | 2.37:1 | Fails | Lc -12.5 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200
#C5E0DB
oklch(88.5% 0.029 183.3)
-
Step 300
300
#9BCCC3
oklch(80.8% 0.053 182.4)
-
Step 400
400
#5EB2A5
oklch(70.7% 0.085 182.6)
-
Step 500
500
#199E8F
oklch(63% 0.108 182.8)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900 (this color)
#03544B
oklch(40.1% 0.071 182.4)
-
Step 950
950
#052D28
oklch(26.9% 0.044 182.8)
#03544B 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) | #4F4E4B | 0.074 |
| Deuteranopia (no green cones) | #46474C | 0.072 |
| Tritanopia (no blue cones) | #005651 | 0.010 |
| Achromatopsia (no color) | #4A4A4A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03544B
#03544B
oklch(40.1% 0.071 182.4)
- #673745
#673745
oklch(40.2% 0.07 2.1)
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 #03544B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.007
- Deep Teal #00555A ΔE 0.025
- Dark Teal #014D4E ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.053
- Spruce #0A5F38 ΔE 0.055
- Petrol #005F6A ΔE 0.055
- Charcoal #264653 ΔE 0.055
Use #03544B 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.