#00454B
Closest named color: Dark Teal (#014D4E). oklch(35.6% 0.061 204.7), rgb(0, 69, 75).
Aa
White text reads best on this color (10.75:1).
About this color
#00454B is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.061 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.027 away. White text reads best on it, at 10.75:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.95:1 |
| White text | 10.75:1 |
Values
| HEX | #00454B |
| RGB | rgb(0, 69, 75) |
| HSL | hsl(185, 100%, 15%) |
| OKLCH | oklch(35.6% 0.061 204.7) |
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 #00454B | 10.75:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #00454B | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #00454B text on white | 10.75:1 | AAA | Lc 94.5 | Preferred for body text |
| #00454B text on black | 1.95:1 | Fails | Lc -8.1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300
#9FCACE
oklch(81% 0.046 203.3)
-
Step 400
400
#66AEB6
oklch(70.7% 0.073 204.8)
-
Step 500
500
#329AA4
oklch(63.2% 0.093 204.3)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900 (this color)
#00454B
oklch(35.6% 0.061 204.7)
-
Step 950
950
#0A2C2F
oklch(27% 0.039 203.4)
#00454B 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) | #3E424B | 0.059 |
| Deuteranopia (no green cones) | #353B4B | 0.055 |
| Tritanopia (no blue cones) | #004947 | 0.017 |
| Achromatopsia (no color) | #3E3E3E | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00454B
#00454B
oklch(35.6% 0.061 204.7)
- #582F2C
#582F2C
oklch(35.7% 0.061 25)
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 #00454B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.027
- Charcoal #264653 ΔE 0.032
- Midnight Green #073B4C ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.044
- Dark Blue Green #005249 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.053
- Onyx #343A40 ΔE 0.053
Use #00454B 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.