#2F647B
Closest named color: Denim (#3B638C). oklch(47.7% 0.067 228.9), rgb(47, 100, 123).
Aa
White text reads best on this color (6.50:1).
About this color
#2F647B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.067 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.032 away. White text reads best on it, at 6.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #2F647B |
| RGB | rgb(47, 100, 123) |
| HSL | hsl(198, 45%, 33%) |
| OKLCH | oklch(47.7% 0.067 228.9) |
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 #2F647B | 6.50:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #2F647B | 3.22:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #2F647B text on white | 6.50:1 | AA | Lc 82.1 | Fine for body text |
| #2F647B text on black | 3.22:1 | AA large text | Lc -19.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE3
oklch(88.6% 0.018 229)
-
Step 300
300
#ACC5D2
oklch(80.9% 0.033 230.4)
-
Step 400
400
#7FA7BB
oklch(70.6% 0.052 230)
-
Step 500
500
#5D92AA
oklch(63.2% 0.067 228.4)
-
Step 600
600
#427C95
oklch(55.7% 0.072 228.2)
-
Step 700
700 (this color)
#2F647B
oklch(47.7% 0.067 228.9)
-
Step 800
800
#2B5567
oklch(42.7% 0.056 228.1)
-
Step 900
900
#284654
oklch(37.7% 0.043 229.5)
-
Step 950
950
#182931
oklch(27% 0.027 229.2)
#2F647B 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) | #58627C | 0.048 |
| Deuteranopia (no green cones) | #4D5A7B | 0.043 |
| Tritanopia (no blue cones) | #006B6B | 0.046 |
| Achromatopsia (no color) | #5E5E5E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F647B
#2F647B
oklch(47.7% 0.067 228.9)
- #7C513A
#7C513A
oklch(47.7% 0.068 48.7)
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 #2F647B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.032
- YInMn Blue #415A77 ΔE 0.032
- Slate #516572 ΔE 0.040
- Dark Aqua #05696B ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Petrol #005F6A ΔE 0.042
- Peacock Blue #016795 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.053
Use #2F647B 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.