#04737A
Closest named color: Deep Turquoise (#017374). oklch(50.6% 0.085 202.3), rgb(4, 115, 122).
Aa
White text reads best on this color (5.61:1).
About this color
#04737A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.085 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.010 away. White text reads best on it, at 5.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.73:1 |
| White text | 5.61:1 |
Values
| HEX | #04737A |
| RGB | rgb(4, 115, 122) |
| HSL | hsl(184, 94%, 25%) |
| OKLCH | oklch(50.6% 0.085 202.3) |
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 #04737A | 5.61:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #04737A | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #04737A text on white | 5.61:1 | AA | Lc 77.6 | Fine for body text |
| #04737A text on black | 3.73:1 | AA large text | Lc -24.2 | 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
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400
#6DADB2
oklch(70.6% 0.066 202.1)
-
Step 500
500
#40999F
oklch(63.2% 0.084 201.4)
-
Step 600
600
#0F838A
oklch(55.6% 0.092 201.6)
-
Step 700
700 (this color)
#04737A
oklch(50.6% 0.085 202.3)
-
Step 800
800
#075A60
oklch(42.7% 0.071 203)
-
Step 900
900
#144A4E
oklch(37.6% 0.055 202.2)
-
Step 950
950
#0E2B2E
oklch(26.9% 0.035 204.5)
#04737A 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) | #696D7B | 0.086 |
| Deuteranopia (no green cones) | #5B637A | 0.079 |
| Tritanopia (no blue cones) | #007875 | 0.020 |
| Achromatopsia (no color) | #676767 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04737A
#04737A
oklch(50.6% 0.085 202.3)
- #90504E
#90504E
oklch(50.6% 0.086 22.5)
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 #04737A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.010
- Dark Aquamarine #017371 ΔE 0.015
- Deep Aqua #08787F ΔE 0.016
- Bluegreen #017A79 ΔE 0.023
- Dark Aqua #05696B ΔE 0.035
- Teal #008080 ΔE 0.039
- Ocean #017B92 ΔE 0.040
- Sea Blue #047495 ΔE 0.044
Use #04737A 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.