#03616D
Closest named color: Petrol (#005F6A). oklch(45.2% 0.077 209.6), rgb(3, 97, 109).
Aa
White text reads best on this color (7.15:1).
About this color
#03616D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.077 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.007 away. White text reads best on it, at 7.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #03616D |
| RGB | rgb(3, 97, 109) |
| HSL | hsl(187, 95%, 22%) |
| OKLCH | oklch(45.2% 0.077 209.6) |
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 #03616D | 7.15:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #03616D | 2.93:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #03616D text on white | 7.15:1 | AAA | Lc 84.3 | Fine for body text |
| #03616D text on black | 2.93:1 | Fails | Lc -17.6 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#A0C9D1
oklch(80.9% 0.045 210.8)
-
Step 400
400
#68ADB9
oklch(70.6% 0.072 209.8)
-
Step 500
500
#3599A8
oklch(63.2% 0.093 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800 (this color)
#03616D
oklch(45.2% 0.077 209.6)
-
Step 900
900
#0C4A53
oklch(37.7% 0.06 209.8)
-
Step 950
950
#0B2B31
oklch(26.9% 0.038 212.2)
#03616D 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) | #575D6E | 0.073 |
| Deuteranopia (no green cones) | #4A546D | 0.066 |
| Tritanopia (no blue cones) | #006665 | 0.024 |
| Achromatopsia (no color) | #585858 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03616D
#03616D
oklch(45.2% 0.077 209.6)
- #7B443C
#7B443C
oklch(45.1% 0.078 29.2)
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 #03616D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.007
- Dark Aqua #05696B ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.040
- Deep Teal #00555A ΔE 0.044
- YInMn Blue #415A77 ΔE 0.053
- Deep Turquoise #017374 ΔE 0.056
- Dark Aquamarine #017371 ΔE 0.057
- Deep Sea Blue #015482 ΔE 0.061
Use #03616D 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.