#2F6EAF
Closest named color: Mid Blue (#276AB3). oklch(52.9% 0.121 251.8), rgb(47, 110, 175).
Aa
White text reads best on this color (5.28:1).
About this color
#2F6EAF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.121 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.016 away. White text reads best on it, at 5.28:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #2F6EAF |
| RGB | rgb(47, 110, 175) |
| HSL | hsl(210, 58%, 44%) |
| OKLCH | oklch(52.9% 0.121 251.8) |
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 #2F6EAF | 5.28:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #2F6EAF | 3.97:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #2F6EAF text on white | 5.28:1 | AA | Lc 76.0 | Fine for body text |
| #2F6EAF text on black | 3.97:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A8C4E3
oklch(81% 0.053 251.1)
-
Step 400
400
#78A4D6
oklch(70.6% 0.088 252.2)
-
Step 500
500
#548DCB
oklch(63.1% 0.112 251.8)
-
Step 600
600 (this color)
#2F6EAF
oklch(52.9% 0.121 251.8)
-
Step 700
700
#29639E
oklch(49.1% 0.112 251.5)
-
Step 800
800
#245180
oklch(42.7% 0.093 251.7)
-
Step 900
900
#224367
oklch(37.6% 0.073 252.1)
-
Step 950
950
#15283C
oklch(27.1% 0.045 250.9)
#2F6EAF 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) | #5072B2 | 0.036 |
| Deuteranopia (no green cones) | #3D66AE | 0.023 |
| Tritanopia (no blue cones) | #007D86 | 0.091 |
| Achromatopsia (no color) | #6C6C6C | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6EAF
#2F6EAF
oklch(52.9% 0.121 251.8)
- #935F00
#935F00
oklch(52.9% 0.113 72.3)
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 #2F6EAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.016
- French Blue #436BAD ΔE 0.018
- Flat Blue #3C73A8 ΔE 0.024
- Muted Blue #3B719F ΔE 0.030
- Nice Blue #107AB0 ΔE 0.035
- Windows Blue #3778BF ΔE 0.036
- Ocean Blue #03719C ΔE 0.040
- Dull Blue #49759C ΔE 0.047
Use #2F6EAF 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.