#004F5D
Closest named color: Deep Teal (#00555A). oklch(39.3% 0.069 214.8), rgb(0, 79, 93).
Aa
White text reads best on this color (9.22:1).
About this color
#004F5D is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.069 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.022 away. White text reads best on it, at 9.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #004F5D |
| RGB | rgb(0, 79, 93) |
| HSL | hsl(189, 100%, 18%) |
| OKLCH | oklch(39.3% 0.069 214.8) |
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 #004F5D | 9.22:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #004F5D | 2.27:1 | Fails | Lc 13.2 | Not readable |
| #004F5D text on white | 9.22:1 | AAA | Lc 90.8 | Preferred for body text |
| #004F5D text on black | 2.27:1 | Fails | Lc -11.5 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C5DEE5
oklch(88.4% 0.028 216.4)
-
Step 300
300
#9BCAD6
oklch(81% 0.052 215.1)
-
Step 400
400
#5EAEC1
oklch(70.7% 0.083 215)
-
Step 500
500
#1A99B1
oklch(63% 0.106 214.8)
-
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
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900 (this color)
#004F5D
oklch(39.3% 0.069 214.8)
-
Step 950
950
#052C34
oklch(27.1% 0.044 214.8)
#004F5D 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) | #454C5E | 0.062 |
| Deuteranopia (no green cones) | #3A445D | 0.055 |
| Tritanopia (no blue cones) | #005453 | 0.028 |
| Achromatopsia (no color) | #474747 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004F5D
#004F5D
oklch(39.3% 0.069 214.8)
- #66372C
#66372C
oklch(39.3% 0.07 34.1)
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 #004F5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.022
- Dark Teal #014D4E ΔE 0.025
- Charcoal #264653 ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.039
- Petrol #005F6A ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.062
Use #004F5D 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.