#005451
Closest named color: Dark Blue Green (#005249). oklch(40.3% 0.069 190.6), rgb(0, 84, 81).
Aa
White text reads best on this color (8.79:1).
About this color
#005451 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.013 away. White text reads best on it, at 8.79:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #005451 |
| RGB | rgb(0, 84, 81) |
| HSL | hsl(178, 100%, 16%) |
| OKLCH | oklch(40.3% 0.069 190.6) |
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 #005451 | 8.79:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #005451 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #005451 text on white | 8.79:1 | AAA | Lc 89.6 | Fine for body text |
| #005451 text on black | 2.38:1 | Fails | Lc -12.6 | 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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#C9DEDC
oklch(88.4% 0.023 189.8)
-
Step 300
300
#A3C9C7
oklch(80.8% 0.04 192.4)
-
Step 400
400
#6FAEAA
oklch(70.7% 0.065 190.7)
-
Step 500
500
#439A95
oklch(63.2% 0.084 190.1)
-
Step 600
600
#19847F
oklch(55.6% 0.09 190)
-
Step 700
700
#04706C
oklch(49.3% 0.084 190.4)
-
Step 800
800 (this color)
#005451
oklch(40.3% 0.069 190.6)
-
Step 900
900
#174B48
oklch(37.8% 0.054 189.7)
-
Step 950
950
#0F2C2A
oklch(27% 0.035 189.2)
#005451 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) | #4E4F51 | 0.073 |
| Deuteranopia (no green cones) | #444752 | 0.070 |
| Tritanopia (no blue cones) | #005753 | 0.010 |
| Achromatopsia (no color) | #4A4A4A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005451
#005451
oklch(40.3% 0.069 190.6)
- #68383F
#68383F
oklch(40.3% 0.068 11.3)
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 #005451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.013
- Deep Teal #00555A ΔE 0.015
- Dark Teal #014D4E ΔE 0.023
- Dark Slate Gray #2F4F4F ΔE 0.032
- Petrol #005F6A ΔE 0.048
- Charcoal #264653 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.058
Use #005451 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.