#004A57
Closest named color: Dark Teal (#014D4E). oklch(37.6% 0.066 214.5), rgb(0, 74, 87).
Aa
White text reads best on this color (9.91:1).
About this color
#004A57 is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.066 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.021 away. White text reads best on it, at 9.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #004A57 |
| RGB | rgb(0, 74, 87) |
| HSL | hsl(189, 100%, 17%) |
| OKLCH | oklch(37.6% 0.066 214.5) |
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 #004A57 | 9.91:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #004A57 | 2.11:1 | Fails | Lc 11.4 | Not readable |
| #004A57 text on white | 9.91:1 | AAA | Lc 92.5 | Preferred for body text |
| #004A57 text on black | 2.11:1 | Fails | Lc -9.9 | 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 900.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDF0
oklch(93.7% 0.014 213.1)
-
Step 200
200
#C6DEE4
oklch(88.5% 0.027 214.4)
-
Step 300
300
#9CC9D5
oklch(80.8% 0.05 215.9)
-
Step 400
400
#62AEBF
oklch(70.8% 0.079 213.8)
-
Step 500
500
#2799AF
oklch(63.2% 0.101 214.1)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900 (this color)
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#072C33
oklch(27.1% 0.042 213.1)
#004A57 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) | #414758 | 0.060 |
| Deuteranopia (no green cones) | #364057 | 0.052 |
| Tritanopia (no blue cones) | #004F4E | 0.026 |
| Achromatopsia (no color) | #434343 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004A57
#004A57
oklch(37.6% 0.066 214.5)
- #603429
#603429
oklch(37.8% 0.066 34.9)
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 #004A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.021
- Charcoal #264653 ΔE 0.025
- Dark Grey Blue #29465B ΔE 0.032
- Deep Teal #00555A ΔE 0.036
- Dark Blue Green #005249 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.048
- Midnight Green #073B4C ΔE 0.049
Use #004A57 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.