#2F709C
Closest named color: Muted Blue (#3B719F). oklch(52.4% 0.096 241.6), rgb(47, 112, 156).
Aa
White text reads best on this color (5.35:1).
About this color
#2F709C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.096 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.012 away. White text reads best on it, at 5.35:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.91:1 |
| White text | 5.35:1 |
Values
| HEX | #2F709C |
| RGB | rgb(47, 112, 156) |
| HSL | hsl(204, 54%, 40%) |
| OKLCH | oklch(52.4% 0.096 241.6) |
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 #2F709C | 5.35:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #2F709C | 3.91:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #2F709C text on white | 5.35:1 | AA | Lc 76.4 | Fine for body text |
| #2F709C text on black | 3.91:1 | AA large text | Lc -25.3 | 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 600.
-
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
#CCDCE8
oklch(88.6% 0.024 240.1)
-
Step 300
300
#A9C5DA
oklch(80.9% 0.042 240.5)
-
Step 400
400
#7AA6C8
oklch(70.6% 0.069 242.1)
-
Step 500
500
#5690BA
oklch(63.1% 0.088 241.5)
-
Step 600
600 (this color)
#2F709C
oklch(52.4% 0.096 241.6)
-
Step 700
700
#2B668F
oklch(49.1% 0.09 242.2)
-
Step 800
800
#255474
oklch(42.8% 0.074 241.2)
-
Step 900
900
#23455D
oklch(37.6% 0.057 241.3)
-
Step 950
950
#152937
oklch(27.1% 0.037 240.5)
#2F709C 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) | #5C719E | 0.048 |
| Deuteranopia (no green cones) | #4D669B | 0.038 |
| Tritanopia (no blue cones) | #007B7F | 0.068 |
| Achromatopsia (no color) | #6B6B6B | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F709C
#2F709C
oklch(52.4% 0.096 241.6)
- #915C29
#915C29
oklch(52.3% 0.096 61.8)
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 #2F709C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.012
- Ocean Blue #03719C ΔE 0.019
- Flat Blue #3C73A8 ΔE 0.024
- Sea Blue #047495 ΔE 0.026
- Dull Blue #49759C ΔE 0.030
- Nice Blue #107AB0 ΔE 0.038
- Peacock Blue #016795 ΔE 0.038
- French Blue #436BAD ΔE 0.038
Use #2F709C 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.