#244597
Closest named color: Cobalt (#1E488F). oklch(41.6% 0.14 264.5), rgb(36, 69, 151).
Aa
White text reads best on this color (8.84:1).
About this color
#244597 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.140 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.017 away. White text reads best on it, at 8.84:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #244597 |
| RGB | rgb(36, 69, 151) |
| HSL | hsl(223, 61%, 37%) |
| OKLCH | oklch(41.6% 0.14 264.5) |
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 #244597 | 8.84:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #244597 | 2.37:1 | Fails | Lc 14.2 | Not readable |
| #244597 text on white | 8.84:1 | AAA | Lc 89.8 | Fine for body text |
| #244597 text on black | 2.37:1 | Fails | Lc -12.4 | Not readable |
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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CAD9F8
oklch(88.4% 0.046 264.9)
-
Step 300
300
#A6C0F6
oklch(80.8% 0.082 264.6)
-
Step 400
400
#779EF2
oklch(70.6% 0.131 264.4)
-
Step 500
500
#5583EE
oklch(63% 0.168 264.6)
-
Step 600
600
#3C6ADC
oklch(55.6% 0.182 264.6)
-
Step 700
700
#2E58BF
oklch(49.2% 0.169 264.3)
-
Step 800
800 (this color)
#244597
oklch(41.6% 0.14 264.5)
-
Step 900
900
#233D7B
oklch(37.6% 0.11 264.6)
-
Step 950
950
#152448
oklch(26.9% 0.07 265)
#244597 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) | #06509A | 0.031 |
| Deuteranopia (no green cones) | #004595 | 0.022 |
| Tritanopia (no blue cones) | #005967 | 0.111 |
| Achromatopsia (no color) | #4A4A4A | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244597
#244597
oklch(41.6% 0.14 264.5)
- #614700
#614700
oklch(41.5% 0.085 84.6)
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 #244597, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.017
- Blueberry #464196 ΔE 0.043
- Dusk Blue #26538D ΔE 0.045
- Sapphire #2138AB ΔE 0.046
- Light Navy #155084 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.052
- Twilight Blue #0A437A ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.061
Use #244597 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.