#1D565E
Closest named color: Deep Teal (#00555A). oklch(42% 0.059 208.1), rgb(29, 86, 94).
Aa
White text reads best on this color (8.25:1).
About this color
#1D565E is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.059 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.016 away. White text reads best on it, at 8.25:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #1D565E |
| RGB | rgb(29, 86, 94) |
| HSL | hsl(187, 53%, 24%) |
| OKLCH | oklch(42% 0.059 208.1) |
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 #1D565E | 8.25:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #1D565E | 2.54:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #1D565E text on white | 8.25:1 | AAA | Lc 88.3 | Fine for body text |
| #1D565E text on black | 2.54:1 | Fails | Lc -13.9 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A8C7CC
oklch(80.8% 0.034 208.4)
-
Step 400
400
#77ABB3
oklch(70.8% 0.056 208)
-
Step 500
500
#5196A0
oklch(63.2% 0.071 207.7)
-
Step 600
600
#31808B
oklch(55.6% 0.077 207.9)
-
Step 700
700
#236C76
oklch(49.1% 0.072 208)
-
Step 800
800 (this color)
#1D565E
oklch(42% 0.059 208.1)
-
Step 900
900
#20484E
oklch(37.5% 0.046 208.3)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#1D565E 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) | #4E535F | 0.057 |
| Deuteranopia (no green cones) | #454C5E | 0.052 |
| Tritanopia (no blue cones) | #005A58 | 0.023 |
| Achromatopsia (no color) | #4F4F4F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D565E
#1D565E
oklch(42% 0.059 208.1)
- #6A403B
#6A403B
oklch(42% 0.06 27.2)
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 #1D565E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.016
- Dark Slate Gray #2F4F4F ΔE 0.029
- Petrol #005F6A ΔE 0.030
- Dark Blue Green #005249 ΔE 0.041
- Dark Teal #014D4E ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.048
- Charcoal #264653 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.051
Use #1D565E 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.