#4459CC
Closest named color: Warm Blue (#4B57DB). oklch(51.4% 0.179 270.9), rgb(68, 89, 204).
Aa
White text reads best on this color (5.92:1).
About this color
#4459CC is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.179 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.025 away. White text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.179) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #4459CC |
| RGB | rgb(68, 89, 204) |
| HSL | hsl(231, 57%, 53%) |
| OKLCH | oklch(51.4% 0.179 270.9) |
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 #4459CC | 5.92:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #4459CC | 3.54:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #4459CC text on white | 5.92:1 | AA | Lc 79.2 | Fine for body text |
| #4459CC text on black | 3.54:1 | AA large text | Lc -22.6 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FB
oklch(93.5% 0.025 271.1)
-
Step 200
200
#CDD8FA
oklch(88.5% 0.048 271.2)
-
Step 300
300
#ACBEF9
oklch(80.9% 0.086 271.2)
-
Step 400
400
#819AF7
oklch(70.7% 0.139 271.1)
-
Step 500
500
#637EF3
oklch(63.1% 0.177 270.8)
-
Step 600
600
#4D64E2
oklch(55.7% 0.192 271)
-
Step 700
700 (this color)
#4459CC
oklch(51.4% 0.179 270.9)
-
Step 800
800
#33449F
oklch(42.8% 0.148 270.8)
-
Step 900
900
#2C3A7E
oklch(37.7% 0.116 271.1)
-
Step 950
950
#1A234A
oklch(27.1% 0.073 271.1)
#4459CC 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) | #006AD0 | 0.052 |
| Deuteranopia (no green cones) | #005ECA | 0.043 |
| Tritanopia (no blue cones) | #00758A | 0.147 |
| Achromatopsia (no color) | #646464 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4459CC
#4459CC
oklch(51.4% 0.179 270.9)
- #7E6400
#7E6400
oklch(51.4% 0.105 90.9)
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 #4459CC, closest first.
No curated palette has a color within ΔE 0.04 of #4459CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.025
- Iris #6258C4 ΔE 0.043
- Royal Blue #4169E1 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.054
- Neon Blue #4361EE ΔE 0.055
- Azul #1D5DEC ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.059
Use #4459CC 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.