#103138
Closest named color: Gunmetal (#293241). oklch(29.2% 0.04 213.9), rgb(16, 49, 56).
Aa
White text reads best on this color (13.82:1).
About this color
#103138 is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.040 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.037 away. White text reads best on it, at 13.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.51:1 |
| White text | 13.82:1 |
Values
| HEX | #103138 |
| RGB | rgb(16, 49, 56) |
| HSL | hsl(191, 56%, 14%) |
| OKLCH | oklch(29.2% 0.04 213.9) |
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 #103138 | 13.82:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #103138 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #103138 text on white | 13.82:1 | AAA | Lc 100.3 | Preferred for body text |
| #103138 text on black | 1.51:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C6DEE4
oklch(88.5% 0.027 214.4)
-
Step 300
300
#9EC9D3
oklch(80.8% 0.047 213.5)
-
Step 400
400
#65ADBD
oklch(70.6% 0.076 213.6)
-
Step 500
500
#3098AD
oklch(63% 0.097 214.2)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#084A56
oklch(37.7% 0.063 213.9)
-
Step 950
950 (this color)
#103138
oklch(29.2% 0.04 213.9)
#103138 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) | #2C2F38 | 0.037 |
| Deuteranopia (no green cones) | #262B38 | 0.033 |
| Tritanopia (no blue cones) | #003433 | 0.020 |
| Achromatopsia (no color) | #2D2D2D | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #103138
#103138
oklch(29.2% 0.04 213.9)
- #3D241F
#3D241F
oklch(29.1% 0.04 31.9)
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 #103138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.041
- Midnight Green #073B4C ΔE 0.043
- Dark #1B2431 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.044
- Jet #212529 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.059
Use #103138 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.