#455ECD
Closest named color: Warm Blue (#4B57DB). oklch(52.5% 0.174 269.9), rgb(69, 94, 205).
Aa
White text reads best on this color (5.62:1).
About this color
#455ECD is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.174 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.028 away. White text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #455ECD |
| RGB | rgb(69, 94, 205) |
| HSL | hsl(229, 58%, 54%) |
| OKLCH | oklch(52.5% 0.174 269.9) |
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 #455ECD | 5.62:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #455ECD | 3.73:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #455ECD text on white | 5.62:1 | AA | Lc 77.7 | Fine for body text |
| #455ECD text on black | 3.73:1 | AA large text | Lc -24.1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#ADBFF4
oklch(81% 0.078 270)
-
Step 400
400
#829CEF
oklch(70.7% 0.125 269.8)
-
Step 500
500
#6481E9
oklch(63.1% 0.159 269.7)
-
Step 600
600 (this color)
#455ECD
oklch(52.5% 0.174 269.9)
-
Step 700
700
#3E55BB
oklch(49% 0.162 269.9)
-
Step 800
800
#334697
oklch(42.6% 0.134 269.9)
-
Step 900
900
#2C3C78
oklch(37.6% 0.104 269.6)
-
Step 950
950
#1A2446
oklch(27.1% 0.065 269.4)
#455ECD 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) | #066ED1 | 0.050 |
| Deuteranopia (no green cones) | #0062CB | 0.043 |
| Tritanopia (no blue cones) | #00798C | 0.145 |
| Achromatopsia (no color) | #676767 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455ECD
#455ECD
oklch(52.5% 0.174 269.9)
- #836700
#836700
oklch(52.7% 0.108 89.9)
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 #455ECD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.028
- Royal Blue #4169E1 ΔE 0.039
- Iris #6258C4 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.050
- Neon Blue #4361EE ΔE 0.051
- Light Indigo #6D5ACF ΔE 0.055
- Azul #1D5DEC ΔE 0.057
Use #455ECD 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.