#1D5658
Closest named color: Deep Teal (#00555A). oklch(41.7% 0.058 198.4), rgb(29, 86, 88).
Aa
White text reads best on this color (8.31:1).
About this color
#1D5658 is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.058 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.014 away. White text reads best on it, at 8.31:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.52:1 |
| White text | 8.31:1 |
Values
| HEX | #1D5658 |
| RGB | rgb(29, 86, 88) |
| HSL | hsl(182, 50%, 23%) |
| OKLCH | oklch(41.7% 0.058 198.4) |
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 #1D5658 | 8.31:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #1D5658 | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #1D5658 text on white | 8.31:1 | AAA | Lc 88.5 | Fine for body text |
| #1D5658 text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#A8C8C9
oklch(81% 0.034 198.8)
-
Step 400
400
#78ABAD
oklch(70.6% 0.054 199.1)
-
Step 500
500
#529799
oklch(63.2% 0.07 198)
-
Step 600
600
#328184
oklch(55.6% 0.076 198.7)
-
Step 700
700
#246D6F
oklch(49.1% 0.07 197.7)
-
Step 800
800 (this color)
#1D5658
oklch(41.7% 0.058 198.4)
-
Step 900
900
#21494A
oklch(37.7% 0.045 197.6)
-
Step 950
950
#142B2C
oklch(27.1% 0.029 199.2)
#1D5658 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) | #505258 | 0.060 |
| Deuteranopia (no green cones) | #474B58 | 0.056 |
| Tritanopia (no blue cones) | #005956 | 0.016 |
| Achromatopsia (no color) | #4E4E4E | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D5658
#1D5658
oklch(41.7% 0.058 198.4)
- #693F40
#693F40
oklch(41.8% 0.059 18.3)
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 #1D5658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.014
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Blue Green #005249 ΔE 0.032
- Petrol #005F6A ΔE 0.035
- Dark Teal #014D4E ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.044
- Charcoal #264653 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.054
Use #1D5658 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.