#034F51
Closest named color: Dark Teal (#014D4E). oklch(38.9% 0.065 197.8), rgb(3, 79, 81).
Aa
White text reads best on this color (9.37:1).
About this color
#034F51 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.065 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.008 away. White text reads best on it, at 9.37:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.24:1 |
| White text | 9.37:1 |
Values
| HEX | #034F51 |
| RGB | rgb(3, 79, 81) |
| HSL | hsl(182, 93%, 16%) |
| OKLCH | oklch(38.9% 0.065 197.8) |
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 #034F51 | 9.37:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #034F51 | 2.24:1 | Fails | Lc 12.8 | Not readable |
| #034F51 text on white | 9.37:1 | AAA | Lc 91.2 | Preferred for body text |
| #034F51 text on black | 2.24:1 | Fails | Lc -11.1 | 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
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C5DFDF
oklch(88.5% 0.028 196.7)
-
Step 300
300
#9CCBCC
oklch(80.9% 0.049 197.9)
-
Step 400
400
#61B0B2
oklch(70.8% 0.078 197.7)
-
Step 500
500
#239C9F
oklch(63.2% 0.1 197.5)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900 (this color)
#034F51
oklch(38.9% 0.065 197.8)
-
Step 950
950
#062C2E
oklch(26.9% 0.041 200.2)
#034F51 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) | #484B51 | 0.066 |
| Deuteranopia (no green cones) | #3E4351 | 0.062 |
| Tritanopia (no blue cones) | #00524F | 0.012 |
| Achromatopsia (no color) | #464646 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034F51
#034F51
oklch(38.9% 0.065 197.8)
- #633637
#633637
oklch(39% 0.065 19)
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 #034F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.008
- Dark Blue Green #005249 ΔE 0.020
- Deep Teal #00555A ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.031
- Charcoal #264653 ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.045
- Petrol #005F6A ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.061
Use #034F51 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.