#4558BA
Closest named color: Iris (#6258C4). oklch(49.9% 0.155 271.4), rgb(69, 88, 186).
Aa
White text reads best on this color (6.25:1).
About this color
#4558BA is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.155 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.044 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #4558BA |
| RGB | rgb(69, 88, 186) |
| HSL | hsl(230, 46%, 50%) |
| OKLCH | oklch(49.9% 0.155 271.4) |
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 #4558BA | 6.25:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #4558BA | 3.35:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #4558BA text on white | 6.25:1 | AA | Lc 80.8 | Fine for body text |
| #4558BA text on black | 3.35:1 | AA large text | Lc -21.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AFBFF2
oklch(81% 0.074 271.1)
-
Step 400
400
#869BEC
oklch(70.7% 0.121 271.9)
-
Step 500
500
#6981E5
oklch(63.2% 0.152 271.3)
-
Step 600
600
#5268D3
oklch(55.7% 0.166 271.3)
-
Step 700
700 (this color)
#4558BA
oklch(49.9% 0.155 271.4)
-
Step 800
800
#374694
oklch(42.6% 0.129 271.7)
-
Step 900
900
#2F3C76
oklch(37.7% 0.1 271.4)
-
Step 950
950
#1B2445
oklch(27.1% 0.063 270.3)
#4558BA 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) | #1B66BD | 0.046 |
| Deuteranopia (no green cones) | #005BB8 | 0.047 |
| Tritanopia (no blue cones) | #006F80 | 0.132 |
| Achromatopsia (no color) | #606060 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4558BA
#4558BA
oklch(49.9% 0.155 271.4)
- #786000
#786000
oklch(49.9% 0.102 91.7)
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 #4558BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.044
- Warm Blue #4B57DB ΔE 0.052
- Mid Blue #276AB3 ΔE 0.054
- French Blue #436BAD ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Bluey Purple #6241C7 ΔE 0.066
Use #4558BA 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.