#455BE7
Closest named color: Neon Blue (#4361EE). oklch(54% 0.212 270.7), rgb(69, 91, 231).
Aa
White text reads best on this color (5.37:1).
About this color
#455BE7 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.212 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.017 away. White text reads best on it, at 5.37:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.212) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 3.90:1 |
| White text | 5.37:1 |
Values
| HEX | #455BE7 |
| RGB | rgb(69, 91, 231) |
| HSL | hsl(232, 77%, 59%) |
| OKLCH | oklch(54% 0.212 270.7) |
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 #455BE7 | 5.37:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #455BE7 | 3.90:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #455BE7 text on white | 5.37:1 | AA | Lc 76.2 | Fine for body text |
| #455BE7 text on black | 3.90:1 | AA large text | Lc -25.5 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#A9BEFF
oklch(80.9% 0.095 270.4)
-
Step 400
400
#7D99FF
oklch(70.7% 0.152 270.5)
-
Step 500
500
#5F7BFD
oklch(63% 0.195 270.7)
-
Step 600
600 (this color)
#455BE7
oklch(54% 0.212 270.7)
-
Step 700
700
#3B4ECE
oklch(49.1% 0.197 270.7)
-
Step 800
800
#3041A6
oklch(42.6% 0.163 270.5)
-
Step 900
900
#2A3984
oklch(37.8% 0.127 270.6)
-
Step 950
950
#18224D
oklch(27% 0.08 270.4)
#455BE7 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) | #0072EC | 0.059 |
| Deuteranopia (no green cones) | #0063E4 | 0.042 |
| Tritanopia (no blue cones) | #007F98 | 0.171 |
| Achromatopsia (no color) | #6A6A6A | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455BE7
#455BE7
oklch(54% 0.212 270.7)
- #876B00
#876B00
oklch(54% 0.11 90.6)
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 #455BE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.017
- Warm Blue #4B57DB ΔE 0.021
- Azul #1D5DEC ΔE 0.033
- Royal Blue #4169E1 ΔE 0.034
- Bright Blue #0165FC ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.057
- Electric Blue #0652FF ΔE 0.060
Use #455BE7 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.