#4054BC
Closest named color: Warm Blue (#4B57DB). oklch(49% 0.164 270.9), rgb(64, 84, 188).
Aa
White text reads best on this color (6.53:1).
About this color
#4054BC is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.164 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.051 away. White text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.21:1 |
| White text | 6.53:1 |
Values
| HEX | #4054BC |
| RGB | rgb(64, 84, 188) |
| HSL | hsl(230, 49%, 49%) |
| OKLCH | oklch(49% 0.164 270.9) |
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 #4054BC | 6.53:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #4054BC | 3.21:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #4054BC text on white | 6.53:1 | AA | Lc 82.0 | Fine for body text |
| #4054BC text on black | 3.21:1 | AA large text | Lc -19.9 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#ADBEF5
oklch(80.8% 0.08 271.2)
-
Step 400
400
#839BF0
oklch(70.7% 0.128 270.9)
-
Step 500
500
#6680EB
oklch(63.2% 0.163 270.8)
-
Step 600
600
#4F66D9
oklch(55.5% 0.177 271)
-
Step 700
700 (this color)
#4054BC
oklch(49% 0.164 270.9)
-
Step 800
800
#354698
oklch(42.8% 0.135 270.8)
-
Step 900
900
#2D3B79
oklch(37.6% 0.107 270.9)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#4054BC 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) | #0063C0 | 0.049 |
| Deuteranopia (no green cones) | #0058BA | 0.042 |
| Tritanopia (no blue cones) | #006D80 | 0.136 |
| Achromatopsia (no color) | #5D5D5D | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4054BC
#4054BC
oklch(49% 0.164 270.9)
- #765D00
#765D00
oklch(49% 0.1 90.4)
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 #4054BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.051
- Iris #6258C4 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Blue Blue #2242C7 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
- Blurple #5539CC ΔE 0.065
- Majorelle Blue #3F37C9 ΔE 0.066
Use #4054BC 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.