#2D4A4F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.8% 0.036 209.5), rgb(45, 74, 79).
Aa
White text reads best on this color (9.52:1).
About this color
#2D4A4F is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.036 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.017 away. White text reads best on it, at 9.52:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.20:1 |
| White text | 9.52:1 |
Values
| HEX | #2D4A4F |
| RGB | rgb(45, 74, 79) |
| HSL | hsl(189, 27%, 24%) |
| OKLCH | oklch(38.8% 0.036 209.5) |
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 #2D4A4F | 9.52:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #2D4A4F | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #2D4A4F text on white | 9.52:1 | AAA | Lc 92.0 | Preferred for body text |
| #2D4A4F text on black | 2.20:1 | Fails | Lc -10.4 | 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 900.
-
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
#CFDCDE
oklch(88.5% 0.014 207.9)
-
Step 300
300
#AEC6CA
oklch(81% 0.027 208.7)
-
Step 400
400
#82A8AF
oklch(70.6% 0.042 210.1)
-
Step 500
500
#61939C
oklch(63.1% 0.055 210)
-
Step 600
600
#477D86
oklch(55.6% 0.059 209.3)
-
Step 700
700
#386972
oklch(49% 0.055 210.8)
-
Step 800
800
#2F565D
oklch(42.7% 0.046 210.3)
-
Step 900
900 (this color)
#2D4A4F
oklch(38.8% 0.036 209.5)
-
Step 950
950
#192A2C
oklch(27.1% 0.023 205.2)
#2D4A4F 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) | #45484F | 0.034 |
| Deuteranopia (no green cones) | #40444F | 0.031 |
| Tritanopia (no blue cones) | #1F4C4B | 0.018 |
| Achromatopsia (no color) | #454545 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D4A4F
#2D4A4F
oklch(38.8% 0.036 209.5)
- #563E39
#563E39
oklch(38.9% 0.035 32)
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 #2D4A4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.017
- Charcoal #264653 ΔE 0.019
- Dark Grey Blue #29465B ΔE 0.028
- Dark Teal #014D4E ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.034
- Deep Teal #00555A ΔE 0.040
- Dark Blue Green #005249 ΔE 0.042
- Onyx #343A40 ΔE 0.051
Use #2D4A4F 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.