#275FA8
Closest named color: Mid Blue (#276AB3). oklch(48.8% 0.131 256.4), rgb(39, 95, 168).
Aa
White text reads best on this color (6.38:1).
About this color
#275FA8 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.131 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.033 away. White text reads best on it, at 6.38:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.28:1 |
| White text | 6.38:1 |
Values
| HEX | #275FA8 |
| RGB | rgb(39, 95, 168) |
| HSL | hsl(214, 62%, 41%) |
| OKLCH | oklch(48.8% 0.131 256.4) |
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 #275FA8 | 6.38:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #275FA8 | 3.28:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #275FA8 text on white | 6.38:1 | AA | Lc 81.4 | Fine for body text |
| #275FA8 text on black | 3.28:1 | AA large text | Lc -20.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#CBDBF1
oklch(88.6% 0.035 256.3)
-
Step 300
300
#A7C3EA
oklch(81% 0.063 256.7)
-
Step 400
400
#77A3DF
oklch(70.8% 0.101 256.3)
-
Step 500
500
#528BD6
oklch(63.2% 0.129 255.9)
-
Step 600
600
#3673C4
oklch(55.6% 0.141 256.5)
-
Step 700
700 (this color)
#275FA8
oklch(48.8% 0.131 256.4)
-
Step 800
800
#234F89
oklch(42.8% 0.108 256.4)
-
Step 900
900
#21426E
oklch(37.8% 0.085 256.3)
-
Step 950
950
#142740
oklch(27% 0.053 255.8)
#275FA8 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) | #3B65AB | 0.027 |
| Deuteranopia (no green cones) | #235AA7 | 0.015 |
| Tritanopia (no blue cones) | #00707B | 0.100 |
| Achromatopsia (no color) | #5F5F5F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #275FA8
#275FA8
oklch(48.8% 0.131 256.4)
- #805600
#805600
oklch(48.7% 0.102 76.1)
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 #275FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.033
- Denim Blue #3B5B92 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.044
- Peacock Blue #016795 ΔE 0.045
- French Blue #436BAD ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusk Blue #26538D ΔE 0.052
- Denim #3B638C ΔE 0.052
Use #275FA8 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.