#103A34
Closest named color: Midnight Green (#073B4C). oklch(31.8% 0.047 182.1), rgb(16, 58, 52).
Aa
White text reads best on this color (12.52:1).
About this color
#103A34 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.047 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.042 away. White text reads best on it, at 12.52:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.67:1 |
| White text | 12.52:1 |
Values
| HEX | #103A34 |
| RGB | rgb(16, 58, 52) |
| HSL | hsl(171, 57%, 15%) |
| OKLCH | oklch(31.8% 0.047 182.1) |
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 #103A34 | 12.52:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #103A34 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #103A34 text on white | 12.52:1 | AAA | Lc 98.2 | Preferred for body text |
| #103A34 text on black | 1.67:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEEEB
oklch(93.7% 0.016 182.7)
-
Step 200
200
#C4E0DB
oklch(88.5% 0.03 183.7)
-
Step 300
300
#99CDC3
oklch(80.9% 0.056 181.7)
-
Step 400
400
#59B3A5
oklch(70.7% 0.089 182.2)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950 (this color)
#103A34
oklch(31.8% 0.047 182.1)
#103A34 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) | #373634 | 0.050 |
| Deuteranopia (no green cones) | #313235 | 0.047 |
| Tritanopia (no blue cones) | #003B38 | 0.010 |
| Achromatopsia (no color) | #343434 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #103A34
#103A34
oklch(31.8% 0.047 182.1)
- #462830
#462830
oklch(31.8% 0.046 2.8)
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 #103A34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.042
- Pakistan Green #283618 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.049
- Gunmetal #293241 ΔE 0.051
- Onyx #343A40 ΔE 0.052
- Evergreen #05472A ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.066
- Charcoal #264653 ΔE 0.067
Use #103A34 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.