#034F61
Closest named color: Deep Teal (#00555A). oklch(39.6% 0.071 220.2), rgb(3, 79, 97).
Aa
White text reads best on this color (9.15:1).
About this color
#034F61 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, its chroma 0.071 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.026 away. White text reads best on it, at 9.15:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #034F61 |
| RGB | rgb(3, 79, 97) |
| HSL | hsl(191, 94%, 20%) |
| OKLCH | oklch(39.6% 0.071 220.2) |
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 #034F61 | 9.15:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #034F61 | 2.29:1 | Fails | Lc 13.4 | Not readable |
| #034F61 text on white | 9.15:1 | AAA | Lc 90.6 | Preferred for body text |
| #034F61 text on black | 2.29:1 | Fails | Lc -11.7 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#DFECF1
oklch(93.5% 0.015 222.7)
-
Step 200
200
#C5DEE7
oklch(88.5% 0.029 221.4)
-
Step 300
300
#9BC9D9
oklch(80.9% 0.053 221.2)
-
Step 400
400
#5EADC6
oklch(70.7% 0.086 220.8)
-
Step 500
500
#1D98B7
oklch(63.1% 0.109 220.3)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900 (this color)
#034F61
oklch(39.6% 0.071 220.2)
-
Step 950
950
#052B36
oklch(26.9% 0.045 221.8)
#034F61 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) | #444D62 | 0.058 |
| Deuteranopia (no green cones) | #394461 | 0.053 |
| Tritanopia (no blue cones) | #005555 | 0.033 |
| Achromatopsia (no color) | #484848 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034F61
#034F61
oklch(39.6% 0.071 220.2)
- #673828
#673828
oklch(39.6% 0.072 39.5)
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 #034F61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.026
- Dark Teal #014D4E ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.034
- Charcoal #264653 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Blue Green #005249 ΔE 0.046
- Petrol #005F6A ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.055
Use #034F61 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.