#03536D
Closest named color: Deep Sea Blue (#015482). oklch(41.3% 0.079 228), rgb(3, 83, 109).
Aa
White text reads best on this color (8.52:1).
About this color
#03536D is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.079 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.035 away. White text reads best on it, at 8.52:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #03536D |
| RGB | rgb(3, 83, 109) |
| HSL | hsl(195, 95%, 22%) |
| OKLCH | oklch(41.3% 0.079 228) |
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 #03536D | 8.52:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #03536D | 2.46:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #03536D text on white | 8.52:1 | AAA | Lc 88.9 | Fine for body text |
| #03536D text on black | 2.46:1 | Fails | Lc -13.3 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7D9
oklch(80.9% 0.047 229)
-
Step 400
400
#6DAAC5
oklch(70.7% 0.074 227.8)
-
Step 500
500
#4194B7
oklch(63% 0.095 228.8)
-
Step 600
600
#157EA3
oklch(55.5% 0.104 228.6)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800 (this color)
#03536D
oklch(41.3% 0.079 228)
-
Step 900
900
#15485B
oklch(37.7% 0.062 227)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#03536D 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) | #45516E | 0.056 |
| Deuteranopia (no green cones) | #38486D | 0.049 |
| Tritanopia (no blue cones) | #005A5C | 0.042 |
| Achromatopsia (no color) | #4C4C4C | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03536D
#03536D
oklch(41.3% 0.079 228)
- #6E3D22
#6E3D22
oklch(41.5% 0.08 48.3)
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 #03536D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.035
- Deep Teal #00555A ΔE 0.036
- Petrol #005F6A ΔE 0.041
- Light Navy #155084 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.046
- Charcoal #264653 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Teal #014D4E ΔE 0.053
Use #03536D 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.