#004553
Closest named color: Charcoal (#264653). oklch(36% 0.064 217), rgb(0, 69, 83).
Aa
White text reads best on this color (10.62:1).
About this color
#004553 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.064 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.027 away. White text reads best on it, at 10.62:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.97:1 |
| White text | 10.62:1 |
Values
| HEX | #004553 |
| RGB | rgb(0, 69, 83) |
| HSL | hsl(190, 100%, 16%) |
| OKLCH | oklch(36% 0.064 217) |
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 #004553 | 10.62:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #004553 | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #004553 text on white | 10.62:1 | AAA | Lc 94.2 | Preferred for body text |
| #004553 text on black | 1.97:1 | Fails | Lc -8.4 | 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
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300
#9EC9D5
oklch(80.9% 0.048 216.7)
-
Step 400
400
#65ADC0
oklch(70.8% 0.077 216.7)
-
Step 500
500
#3098B0
oklch(63.2% 0.098 216.6)
-
Step 600
600
#008199
oklch(55.6% 0.099 216.9)
-
Step 700
700
#006C81
oklch(49% 0.088 217.4)
-
Step 800
800
#00596A
oklch(42.8% 0.076 216.6)
-
Step 900
900 (this color)
#004553
oklch(36% 0.064 217)
-
Step 950
950
#092B33
oklch(26.9% 0.041 216.6)
#004553 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) | #3C4354 | 0.056 |
| Deuteranopia (no green cones) | #323B53 | 0.051 |
| Tritanopia (no blue cones) | #004A49 | 0.028 |
| Achromatopsia (no color) | #3E3E3E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004553
#004553
oklch(36% 0.064 217)
- #5A3024
#5A3024
oklch(36% 0.065 36.8)
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 #004553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.027
- Dark Teal #014D4E ΔE 0.031
- Midnight Green #073B4C ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.035
- Deep Teal #00555A ΔE 0.052
- Dark Blue Green #005249 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.054
Use #004553 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.