#4154B9
Closest named color: Iris (#6258C4). oklch(48.8% 0.16 271.2), rgb(65, 84, 185).
Aa
White text reads best on this color (6.57:1).
About this color
#4154B9 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.160 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.052 away. White text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #4154B9 |
| RGB | rgb(65, 84, 185) |
| HSL | hsl(231, 48%, 49%) |
| OKLCH | oklch(48.8% 0.16 271.2) |
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 #4154B9 | 6.57:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #4154B9 | 3.19:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #4154B9 text on white | 6.57:1 | AA | Lc 82.2 | Fine for body text |
| #4154B9 text on black | 3.19:1 | AA large text | Lc -19.7 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300
#AEBEF4
oklch(80.8% 0.079 271.7)
-
Step 400
400
#849BEE
oklch(70.6% 0.125 271.2)
-
Step 500
500
#6780E8
oklch(63% 0.158 271.1)
-
Step 600
600
#5167D6
oklch(55.6% 0.171 271.3)
-
Step 700
700 (this color)
#4154B9
oklch(48.8% 0.16 271.2)
-
Step 800
800
#364696
oklch(42.7% 0.132 271.3)
-
Step 900
900
#2E3C78
oklch(37.8% 0.103 270.9)
-
Step 950
950
#1B2346
oklch(26.9% 0.066 271.6)
#4154B9 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) | #0763BD | 0.049 |
| Deuteranopia (no green cones) | #0058B7 | 0.044 |
| Tritanopia (no blue cones) | #006C7E | 0.134 |
| Achromatopsia (no color) | #5D5D5D | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4154B9
#4154B9
oklch(48.8% 0.16 271.2)
- #755D00
#755D00
oklch(48.8% 0.1 91.2)
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 #4154B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.052
- Warm Blue #4B57DB ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Mid Blue #276AB3 ΔE 0.061
- Blue Blue #2242C7 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.064
- Blurple #5539CC ΔE 0.067
- French Blue #436BAD ΔE 0.068
Use #4154B9 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.