#2D5661
Closest named color: Deep Teal (#00555A). oklch(42.8% 0.049 217.2), rgb(45, 86, 97).
Aa
White text reads best on this color (8.02:1).
About this color
#2D5661 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.049 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.032 away. White text reads best on it, at 8.02:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #2D5661 |
| RGB | rgb(45, 86, 97) |
| HSL | hsl(193, 37%, 28%) |
| OKLCH | oklch(42.8% 0.049 217.2) |
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 #2D5661 | 8.02:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #2D5661 | 2.61:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #2D5661 text on white | 8.02:1 | AAA | Lc 87.7 | Fine for body text |
| #2D5661 text on black | 2.61:1 | Fails | Lc -14.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC6CD
oklch(81% 0.029 216.5)
-
Step 400
400
#80A8B4
oklch(70.7% 0.047 218.2)
-
Step 500
500
#5F93A1
oklch(63.2% 0.059 216.6)
-
Step 600
600
#447D8C
oklch(55.7% 0.064 216.8)
-
Step 700
700
#356977
oklch(49.1% 0.06 217.5)
-
Step 800
800 (this color)
#2D5661
oklch(42.8% 0.049 217.2)
-
Step 900
900
#29474F
oklch(37.8% 0.038 216.7)
-
Step 950
950
#18292E
oklch(26.8% 0.024 218.3)
#2D5661 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) | #4F5462 | 0.044 |
| Deuteranopia (no green cones) | #474E61 | 0.039 |
| Tritanopia (no blue cones) | #0E5A59 | 0.031 |
| Achromatopsia (no color) | #505050 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D5661
#2D5661
oklch(42.8% 0.049 217.2)
- #67463C
#67463C
oklch(42.8% 0.049 37.6)
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 #2D5661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.032
- Dark Slate Gray #2F4F4F ΔE 0.032
- Petrol #005F6A ΔE 0.033
- YInMn Blue #415A77 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.051
- Dark Teal #014D4E ΔE 0.053
- Charcoal #264653 ΔE 0.053
Use #2D5661 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.