#275C7F
Closest named color: Light Navy Blue (#2E5A88). oklch(45.5% 0.08 240.7), rgb(39, 92, 127).
Aa
White text reads best on this color (7.18:1).
About this color
#275C7F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.080 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.019 away. White text reads best on it, at 7.18:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #275C7F |
| RGB | rgb(39, 92, 127) |
| HSL | hsl(204, 53%, 33%) |
| OKLCH | oklch(45.5% 0.08 240.7) |
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 #275C7F | 7.18:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #275C7F | 2.92:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #275C7F text on white | 7.18:1 | AAA | Lc 84.7 | Fine for body text |
| #275C7F text on black | 2.92:1 | Fails | Lc -17.3 | 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 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CBDCE9
oklch(88.6% 0.026 240.7)
-
Step 300
300
#A6C5DC
oklch(80.8% 0.047 240.3)
-
Step 400
400
#75A7CB
oklch(70.6% 0.075 240.4)
-
Step 500
500
#4F91BE
oklch(63.2% 0.096 240.4)
-
Step 600
600
#307AAA
oklch(55.5% 0.104 240.9)
-
Step 700
700
#216792
oklch(49.1% 0.097 240.3)
-
Step 800
800 (this color)
#275C7F
oklch(45.5% 0.08 240.7)
-
Step 900
900
#1F4660
oklch(37.8% 0.063 240.4)
-
Step 950
950
#132938
oklch(27% 0.04 240.2)
#275C7F 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) | #4C5C81 | 0.042 |
| Deuteranopia (no green cones) | #40547E | 0.033 |
| Tritanopia (no blue cones) | #006568 | 0.057 |
| Achromatopsia (no color) | #575757 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #275C7F
#275C7F
oklch(45.5% 0.08 240.7)
- #774B24
#774B24
oklch(45.5% 0.08 60.1)
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 #275C7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.019
- YInMn Blue #415A77 ΔE 0.028
- Deep Sea Blue #015482 ΔE 0.035
- Denim #3B638C ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.039
- Dusk Blue #26538D ΔE 0.040
- Peacock Blue #016795 ΔE 0.043
- Light Navy #155084 ΔE 0.043
Use #275C7F 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.