#245EA3
Closest named color: Denim Blue (#3B5B92). oklch(48.1% 0.126 254.9), rgb(36, 94, 163).
Aa
White text reads best on this color (6.55:1).
About this color
#245EA3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.126 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.032 away. White text reads best on it, at 6.55:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.20:1 |
| White text | 6.55:1 |
Values
| HEX | #245EA3 |
| RGB | rgb(36, 94, 163) |
| HSL | hsl(213, 64%, 39%) |
| OKLCH | oklch(48.1% 0.126 254.9) |
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 #245EA3 | 6.55:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #245EA3 | 3.20:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #245EA3 text on white | 6.55:1 | AA | Lc 82.1 | Fine for body text |
| #245EA3 text on black | 3.20:1 | AA large text | Lc -19.8 | 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 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
#CBDBF0
oklch(88.6% 0.034 255.2)
-
Step 300
300
#A6C3E8
oklch(80.8% 0.061 254.7)
-
Step 400
400
#76A3DD
oklch(70.6% 0.099 255.1)
-
Step 500
500
#528BD3
oklch(63% 0.125 255.1)
-
Step 600
600
#3574C1
oklch(55.6% 0.136 255)
-
Step 700
700 (this color)
#245EA3
oklch(48.1% 0.126 254.9)
-
Step 800
800
#224F87
oklch(42.6% 0.106 255.4)
-
Step 900
900
#21426C
oklch(37.6% 0.082 255.4)
-
Step 950
950
#14273F
oklch(27% 0.052 255)
#245EA3 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) | #3C64A6 | 0.030 |
| Deuteranopia (no green cones) | #2658A2 | 0.017 |
| Tritanopia (no blue cones) | #006E78 | 0.096 |
| Achromatopsia (no color) | #5D5D5D | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245EA3
#245EA3
oklch(48.1% 0.126 254.9)
- #7F5400
#7F5400
oklch(48.1% 0.102 74.8)
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 #245EA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.032
- Peacock Blue #016795 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.043
- Dusk Blue #26538D ΔE 0.044
- Denim #3B638C ΔE 0.047
- French Blue #436BAD ΔE 0.052
Use #245EA3 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.