#034A51
Closest named color: Dark Teal (#014D4E). oklch(37.4% 0.063 205.9), rgb(3, 74, 81).
Aa
White text reads best on this color (9.98:1).
About this color
#034A51 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.013 away. White text reads best on it, at 9.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #034A51 |
| RGB | rgb(3, 74, 81) |
| HSL | hsl(185, 93%, 16%) |
| OKLCH | oklch(37.4% 0.063 205.9) |
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 #034A51 | 9.98:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #034A51 | 2.10:1 | Fails | Lc 11.2 | Not readable |
| #034A51 text on white | 9.98:1 | AAA | Lc 92.8 | Preferred for body text |
| #034A51 text on black | 2.10:1 | Fails | Lc -9.7 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DEE2
oklch(88.4% 0.026 208.7)
-
Step 300
300
#9ECACF
oklch(80.9% 0.047 204.9)
-
Step 400
400
#64AEB8
oklch(70.6% 0.075 206.8)
-
Step 500
500
#2C9AA6
oklch(63.1% 0.096 205.8)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900 (this color)
#034A51
oklch(37.4% 0.063 205.9)
-
Step 950
950
#082C30
oklch(27% 0.04 205.7)
#034A51 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) | #434651 | 0.062 |
| Deuteranopia (no green cones) | #393F51 | 0.057 |
| Tritanopia (no blue cones) | #004E4C | 0.018 |
| Achromatopsia (no color) | #424242 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #034A51
#034A51
oklch(37.4% 0.063 205.9)
- #5E332F
#5E332F
oklch(37.4% 0.063 26.1)
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 #034A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.013
- Charcoal #264653 ΔE 0.027
- Dark Blue Green #005249 ΔE 0.034
- Deep Teal #00555A ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.049
- Midnight Green #073B4C ΔE 0.050
Use #034A51 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.