#245AA5
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.134 257.5), rgb(36, 90, 165).
Aa
White text reads best on this color (6.81:1).
About this color
#245AA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.134 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.037 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #245AA5 |
| RGB | rgb(36, 90, 165) |
| HSL | hsl(215, 64%, 39%) |
| OKLCH | oklch(47.3% 0.134 257.5) |
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 #245AA5 | 6.81:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #245AA5 | 3.08:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #245AA5 text on white | 6.81:1 | AA | Lc 83.1 | Fine for body text |
| #245AA5 text on black | 3.08:1 | AA large text | Lc -18.8 | 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
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A7C3EB
oklch(81% 0.064 257.3)
-
Step 400
400
#77A2E1
oklch(70.6% 0.104 257.8)
-
Step 500
500
#538AD8
oklch(63.1% 0.132 257.3)
-
Step 600
600
#3772C6
oklch(55.6% 0.144 257.6)
-
Step 700
700 (this color)
#245AA5
oklch(47.3% 0.134 257.5)
-
Step 800
800
#244E8A
oklch(42.7% 0.11 257.7)
-
Step 900
900
#22416F
oklch(37.6% 0.087 258.2)
-
Step 950
950
#142741
oklch(27.1% 0.055 256.6)
#245AA5 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) | #3361A8 | 0.026 |
| Deuteranopia (no green cones) | #1755A3 | 0.018 |
| Tritanopia (no blue cones) | #006C77 | 0.104 |
| Achromatopsia (no color) | #5B5B5B | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #245AA5
#245AA5
oklch(47.3% 0.134 257.5)
- #7A5300
#7A5300
oklch(47.3% 0.099 77.4)
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 #245AA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.037
- Dusk Blue #26538D ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.048
- Mid Blue #276AB3 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.049
- Peacock Blue #016795 ΔE 0.051
- Denim #3B638C ΔE 0.057
- Cobalt #1E488F ΔE 0.060
Use #245AA5 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.