#03787F
Closest named color: Deep Aqua (#08787F). oklch(52.2% 0.088 202), rgb(3, 120, 127).
Aa
White text reads best on this color (5.25:1).
About this color
#03787F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.088 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.001 away. White text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.99:1 |
| White text | 5.25:1 |
Values
| HEX | #03787F |
| RGB | rgb(3, 120, 127) |
| HSL | hsl(183, 95%, 25%) |
| OKLCH | oklch(52.2% 0.088 202) |
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 #03787F | 5.25:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #03787F | 3.99:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #03787F text on white | 5.25:1 | AA | Lc 75.6 | Fine for body text |
| #03787F text on black | 3.99:1 | AA large text | Lc -26.2 | 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 700.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEE0
oklch(88.5% 0.024 203.4)
-
Step 300
300
#A1C9CC
oklch(80.8% 0.043 202)
-
Step 400
400
#6BAEB3
oklch(70.8% 0.068 201.8)
-
Step 500
500
#3C99A0
oklch(63.1% 0.087 202.1)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700 (this color)
#03787F
oklch(52.2% 0.088 202)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#114A4E
oklch(37.6% 0.057 202)
-
Step 950
950
#0D2C2E
oklch(27.1% 0.036 201.1)
#03787F 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) | #6D7280 | 0.088 |
| Deuteranopia (no green cones) | #5F677F | 0.083 |
| Tritanopia (no blue cones) | #007D7A | 0.020 |
| Achromatopsia (no color) | #6C6C6C | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03787F
#03787F
oklch(52.2% 0.088 202)
- #965452
#965452
oklch(52.3% 0.088 22.4)
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 #03787F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.001
- Bluegreen #017A79 ΔE 0.013
- Deep Turquoise #017374 ΔE 0.021
- Dark Aquamarine #017371 ΔE 0.024
- Teal #008080 ΔE 0.025
- Ocean #017B92 ΔE 0.030
- Sea Blue #047495 ΔE 0.041
- Dark Aqua #05696B ΔE 0.050
Use #03787F 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.