#1D5868
Closest named color: Petrol (#005F6A). oklch(43% 0.065 219.3), rgb(29, 88, 104).
Aa
White text reads best on this color (7.93:1).
About this color
#1D5868 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.065 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.023 away. White text reads best on it, at 7.93:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #1D5868 |
| RGB | rgb(29, 88, 104) |
| HSL | hsl(193, 56%, 26%) |
| OKLCH | oklch(43% 0.065 219.3) |
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 #1D5868 | 7.93:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #1D5868 | 2.64:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #1D5868 text on white | 7.93:1 | AAA | Lc 87.3 | Fine for body text |
| #1D5868 text on black | 2.64:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A6C7D1
oklch(80.9% 0.038 218.1)
-
Step 400
400
#75AABB
oklch(70.7% 0.061 219.9)
-
Step 500
500
#4E95AA
oklch(63.2% 0.078 219.4)
-
Step 600
600
#2D7F95
oklch(55.7% 0.084 219.1)
-
Step 700
700
#1E6B7F
oklch(49.1% 0.078 219.2)
-
Step 800
800 (this color)
#1D5868
oklch(43% 0.065 219.3)
-
Step 900
900
#1E4854
oklch(37.7% 0.051 219.3)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#1D5868 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) | #4E5569 | 0.055 |
| Deuteranopia (no green cones) | #434E68 | 0.048 |
| Tritanopia (no blue cones) | #005D5D | 0.031 |
| Achromatopsia (no color) | #515151 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5868
#1D5868
oklch(43% 0.065 219.3)
- #6E4334
#6E4334
oklch(42.9% 0.065 40)
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 #1D5868, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.023
- Deep Teal #00555A ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.043
- YInMn Blue #415A77 ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.053
- Dark Aqua #05696B ΔE 0.053
- Dark Teal #014D4E ΔE 0.055
Use #1D5868 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.