#103E48
Closest named color: Midnight Green (#073B4C). oklch(33.8% 0.051 215.2), rgb(16, 62, 72).
Aa
White text reads best on this color (11.63:1).
About this color
#103E48 is a dark, muted teal or cyan. In OKLCH its lightness is 34%, its chroma 0.051 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.015 away. White text reads best on it, at 11.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (34%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.80:1 |
| White text | 11.63:1 |
Values
| HEX | #103E48 |
| RGB | rgb(16, 62, 72) |
| HSL | hsl(191, 64%, 17%) |
| OKLCH | oklch(33.8% 0.051 215.2) |
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 #103E48 | 11.63:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #103E48 | 1.80:1 | Fails | Lc 7.4 | Not readable |
| #103E48 text on white | 11.63:1 | AAA | Lc 96.5 | Preferred for body text |
| #103E48 text on black | 1.80:1 | 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 900.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C7D0
oklch(80.8% 0.039 215.6)
-
Step 400
400
#73ABB9
oklch(70.7% 0.062 215.1)
-
Step 500
500
#4B96A7
oklch(63.2% 0.078 214.5)
-
Step 600
600
#288093
oklch(55.7% 0.085 215.3)
-
Step 700
700
#196C7D
oklch(49.2% 0.079 215.1)
-
Step 800
800
#195866
oklch(42.8% 0.066 215.8)
-
Step 900
900 (this color)
#103E48
oklch(33.8% 0.051 215.2)
-
Step 950
950
#122A30
oklch(26.8% 0.032 216)
#103E48 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) | #373C49 | 0.046 |
| Deuteranopia (no green cones) | #2F3648 | 0.041 |
| Tritanopia (no blue cones) | #004241 | 0.023 |
| Achromatopsia (no color) | #393939 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #103E48
#103E48
oklch(33.8% 0.051 215.2)
- #4E2D25
#4E2D25
oklch(33.6% 0.051 34.4)
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 #103E48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.020
- Charcoal #264653 ΔE 0.039
- Onyx #343A40 ΔE 0.041
- Gunmetal #293241 ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.047
- Dark Grey Blue #29465B ΔE 0.049
- Dark Teal #014D4E ΔE 0.049
Use #103E48 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.