#2F618D
Closest named color: Denim (#3B638C). oklch(47.9% 0.09 247.5), rgb(47, 97, 141).
Aa
White text reads best on this color (6.53:1).
About this color
#2F618D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.090 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.014 away. White text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #2F618D |
| RGB | rgb(47, 97, 141) |
| HSL | hsl(208, 50%, 37%) |
| OKLCH | oklch(47.9% 0.09 247.5) |
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 #2F618D | 6.53:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #2F618D | 3.21:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #2F618D text on white | 6.53:1 | AA | Lc 82.2 | Fine for body text |
| #2F618D text on black | 3.21:1 | AA large text | Lc -19.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#ABC4DC
oklch(80.9% 0.044 247.3)
-
Step 400
400
#7EA5CA
oklch(70.7% 0.069 247.5)
-
Step 500
500
#5C8EBD
oklch(63.1% 0.089 247.9)
-
Step 600
600
#4178A9
oklch(55.7% 0.096 247.4)
-
Step 700
700 (this color)
#2F618D
oklch(47.9% 0.09 247.5)
-
Step 800
800
#2B5275
oklch(42.7% 0.073 247.5)
-
Step 900
900
#27445F
oklch(37.7% 0.058 248)
-
Step 950
950
#172837
oklch(26.9% 0.036 246.3)
#2F618D 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) | #4E638F | 0.036 |
| Deuteranopia (no green cones) | #41598C | 0.028 |
| Tritanopia (no blue cones) | #006B71 | 0.067 |
| Achromatopsia (no color) | #5E5E5E | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F618D
#2F618D
oklch(47.9% 0.09 247.5)
- #7E521D
#7E521D
oklch(47.8% 0.089 67.3)
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 #2F618D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.014
- Light Navy Blue #2E5A88 ΔE 0.021
- Denim Blue #3B5B92 ΔE 0.023
- Peacock Blue #016795 ΔE 0.026
- Dusky Blue #475F94 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.039
- Dusk Blue #26538D ΔE 0.044
- Ocean Blue #03719C ΔE 0.048
Use #2F618D 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.