#03635A
Closest named color: Dark Green Blue (#1F6357). oklch(44.9% 0.079 184), rgb(3, 99, 90).
Aa
White text reads best on this color (7.15:1).
About this color
#03635A is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.079 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.012 away. White text reads best on it, at 7.15:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #03635A |
| RGB | rgb(3, 99, 90) |
| HSL | hsl(174, 94%, 20%) |
| OKLCH | oklch(44.9% 0.079 184) |
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 #03635A | 7.15:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #03635A | 2.93:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #03635A text on white | 7.15:1 | AAA | Lc 84.3 | Fine for body text |
| #03635A text on black | 2.93:1 | Fails | Lc -17.7 | Dividers and decoration only |
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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C8DFDB
oklch(88.5% 0.025 184.2)
-
Step 300
300
#A0CBC4
oklch(80.9% 0.046 184.1)
-
Step 400
400
#69B0A6
oklch(70.8% 0.073 184.3)
-
Step 500
500
#379C90
oklch(63.1% 0.094 184.1)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800 (this color)
#03635A
oklch(44.9% 0.079 184)
-
Step 900
900
#0D4C45
oklch(37.7% 0.062 183.8)
-
Step 950
950
#0C2D29
oklch(27.2% 0.039 184.2)
#03635A 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) | #5D5D5A | 0.083 |
| Deuteranopia (no green cones) | #52545B | 0.079 |
| Tritanopia (no blue cones) | #006560 | 0.010 |
| Achromatopsia (no color) | #585858 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03635A
#03635A
oklch(44.9% 0.079 184)
- #794150
#794150
oklch(44.9% 0.079 3.6)
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 #03635A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.012
- Dark Aqua #05696B ΔE 0.030
- Petrol #005F6A ΔE 0.033
- Deep Teal #00555A ΔE 0.047
- Spruce #0A5F38 ΔE 0.051
- Pine #2B5D34 ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.055
- Dark Blue Green #005249 ΔE 0.056
Use #03635A 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.