#1D515B
Closest named color: Deep Teal (#00555A). oklch(40.5% 0.057 212.5), rgb(29, 81, 91).
Aa
White text reads best on this color (8.82:1).
About this color
#1D515B is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.018 away. White text reads best on it, at 8.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.38:1 |
| White text | 8.82:1 |
Values
| HEX | #1D515B |
| RGB | rgb(29, 81, 91) |
| HSL | hsl(190, 52%, 24%) |
| OKLCH | oklch(40.5% 0.057 212.5) |
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 #1D515B | 8.82:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #1D515B | 2.38:1 | Fails | Lc 14.0 | Not readable |
| #1D515B text on white | 8.82:1 | AAA | Lc 90.0 | Fine for body text |
| #1D515B text on black | 2.38:1 | Fails | Lc -12.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A9C7CD
oklch(80.9% 0.033 211.1)
-
Step 400
400
#7AAAB4
oklch(70.7% 0.053 212)
-
Step 500
500
#5695A2
oklch(63.2% 0.068 212.4)
-
Step 600
600
#387F8D
oklch(55.7% 0.074 212.5)
-
Step 700
700
#296B78
oklch(49.1% 0.069 212.9)
-
Step 800
800 (this color)
#1D515B
oklch(40.5% 0.057 212.5)
-
Step 900
900
#23484F
oklch(37.7% 0.044 211.3)
-
Step 950
950
#152A2E
oklch(26.9% 0.028 211.1)
#1D515B 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) | #494E5C | 0.052 |
| Deuteranopia (no green cones) | #40475B | 0.048 |
| Tritanopia (no blue cones) | #005554 | 0.025 |
| Achromatopsia (no color) | #4A4A4A | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D515B
#1D515B
oklch(40.5% 0.057 212.5)
- #643D35
#643D35
oklch(40.4% 0.057 32.2)
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 #1D515B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.018
- Dark Slate Gray #2F4F4F ΔE 0.023
- Dark Teal #014D4E ΔE 0.030
- Charcoal #264653 ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.036
- Dark Blue Green #005249 ΔE 0.037
- Petrol #005F6A ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.060
Use #1D515B 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.